Rainbows! Rack HTTP server user/dev discussion
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blob b3d7ff148ac7aba379384edd66232cbd6c555563 859 bytes (raw)
name: t/app_deferred.ru 	 # note: path name is non-authoritative(*)

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#\-E none
# can't use non-compatible middleware that doesn't pass "deferered?" calls
#
# used for testing deferred actions for Merb and possibly other frameworks
# ref: http://brainspl.at/articles/2008/04/18/deferred-requests-with-merb-ebb-and-thin

class DeferredApp < Struct.new(:app)
  def deferred?(env)
    env["PATH_INFO"] =~ %r{\A/deferred}
  end

  def call(env)
    env["rack.multithread"] or raise RuntimeError, "rack.multithread not true"
    body = "#{Thread.current.inspect}\n"
    if env["PATH_INFO"] =~ %r{\A/deferred(\d+)}
      delay = $1.to_i
      File.open(ENV['fifo'], 'w') { |fp| fp.write "sleeping #{delay}s\n" }
      body = "deferred sleep\n"
      sleep(delay)
    end
    headers = {
      "Content-Type" => "text/plain",
      "Content-Length" => body.size.to_s,
    }
    [ 200, headers, [ body ] ]
  end
end

run DeferredApp.new

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